System for recommending helicopter engine maintenance

The invention relates to a system for recommending maintenance of helicopter engines belonging to the same engine class and formed by elements that vary over time depending on the technical condition thereof, the standard replacement of parts between engines, and the replacement of parts with different parts. The system comprises: a centralized database storing operational data relating to (i) working condition, outlining the history of one or more working condition indicators of each of the engines, (ii) possible modifications and authorized modifications of the engines, (iii) the definition of maintenance plans for the engines according to predetermined values of the working condition indicator(s), (iv) the description of the probable causes of unscheduled events according to the data relating to possible and authorized modifications and the working condition data, (v) maintenance applied, outlining the nature and history of maintenance operations applied to each of the engines, and (vi) instantiated config